<template>
    <div class="wrap-box3">
        <van-nav-bar
            title="标题3"
            left-arrow
            @click-left="onClickLeft"
        />
    </div>    
</template>
  

<script setup lang="ts">
const onClickLeft = () => history.back();
</script>


<style scoped lang="less">
.wrap-box3{
    width:100%;
    height:100%;
    font-size:32px;
    
}
</style>
